64377257206 has 8 divisors (see below), whose sum is σ = 96626892384. Its totient is φ = 32168293080.

The previous prime is 64377257173. The next prime is 64377257249. The reversal of 64377257206 is 60275277346.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 64377257206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10163805 + ... + 10170136.

It is an arithmetic number, because the mean of its divisors is an integer number (12078361548).

Almost surely, 2^64377257206 is an apocalyptic number.

64377257206 is a deficient number, since it is larger than the sum of its proper divisors (32249635178).

64377257206 is a wasteful number, since it uses less digits than its factorization.

64377257206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20335526.

The product of its (nonzero) digits is 2963520, while the sum is 49.

The spelling of 64377257206 in words is "sixty-four billion, three hundred seventy-seven million, two hundred fifty-seven thousand, two hundred six".